Developer Notes
You may see this error when calling stripe.Subscription.create(): Missing required param: items It’s a misleading message because it implies that the entire items param is missing, but you’ve probably set one of the value...
Read note →This does not seem to be documented anywhere. If you need to tell, from within your AWS AppRunner application, whether it’s running locally or in AWS you can check the environment variable AWS_EXECUTION_ENV. The value for the environment...
Read note →I had an AppRunner instance with a custom domain that was stuck on "Pending certificate DNS validation” as it was trying to validate the ACM certificates. Turns out that the UI to copy and paste the DNS validation entries can lead you a...
Read note →torch.cuda.is_available() returning False is one of the most frustrating errors to encounter, particularly when Docker is being used. But I would suggest taking a procedural approach to ridding yourself of this error. 1\. Get the "CUDA ...
Read note →I deploy Docker containers that run a Python application through a conda environment. The logging out of Python application would buffer until the container terminated, which makes troubleshooting difficult. It turns out that Anaconda w...
Read note →I saw this message with nearly every instantiation of an ECS task: CannotInspectContainerError: Could not transition to inspecting; timed out after waiting 30s The tasks write 4-5 GB of data to a bind-mounted directory on...
Read note →I’m using EC2 as a capacity provider for ECS tasks that require a GPU for training a model. Initially, the tasks were taking much longer to complete than expected. After some debugging, it turns out that the CPU was being used rather th...
Read note →This is a common error: CUDA out of memory. Tried to allocate 12.66 GiB (GPU 0; 23.69 GiB total capacity; 15.57 GiB already allocated; You’ve read all the blogs and Reddit that tell you to set something like this: ...
Read note →If you get this error: ModuleNotFoundError: No module named 'ldm.models.diffusion.dpm_solver' In Linux, add the path to stablediffusion to the Python path: export PYTHONPATH=$PYTHONPATH:/home/user/stablediffuion
Read note →If you receive the following error when trying to store an object in Amazon S3: AccessDenied Invalid according to Policy: Extra input fields: content-type SomeCrazyString AnotherCrazyString I...
Read note →Finding the answer to a rather simple question proved to be shockingly difficult. How to query such that parent objects include all child objects in a one to many relationship using SQLAlchemy? Here’s a contrived example: ...
Read note →I have spent the last several days trying to get a DeskPi Pro v2 to boot from an SSD without success —— until today. I am running Debian Bullseye on the Raspberry Pi primarily to conform to the requirements of Home Assistant Supervised ...
Read note →I ran into an issue where one particular query sometimes resulted in the following error: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query') Sometimes the error condition would manifest ...
Read note →You may see an error like this when using Stripe Checkout: The specified Checkout Session could not be found. This error is usually caused by using the wrong API key. Please make sure the API keys used to initialize Stripe...
Read note →I use Docker for much of my local development environment. I recently got an M1 MacBook and have switched most development to it. But I need to keep my Intel-based MacBook around for at least one reason: some Python modules for Lamnbda ...
Read note →I kept experiencing a “No such price” error when attempting to modify a price on behalf of a Stripe connected account. Turns out that I wasn’t calling modify() with the connected account id, which results in Stripe looking for the price...
Read note →Stripe discourages deleting products through the API. In fact, deleting products won’t even work if a price is still active. But they do support archiving products such that they cannot be used for anything other than reporting, etc. H...
Read note →I bought a new M1 MacBook and was super excited to use it. My monitor has a USB-C input. The MacBook comes with a USB-C cable. Awesome. Plug everything up. Not so awesome. The monitor could not be used as an external display for the Ma...
Read note →I noticed a huge difference in app startup performance and reliability on Azure App Service when using a FastApi-based Python application depending on whether uvicorn or gunicorn is used. Fast: `python -m uvicorn app:app --host 0.0.0.0...
Read note →I am playing with the Stripe API and creating “connected accounts” which is Stripe lingo for a sub-account of sorts. I noticed that the Stripe API from 2018-05-21 returns the test or live API keys after calling `stripe.Account.create()`...
Read note →